- 专利标题: Gear pump bearing with hybrid pad shutoff
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申请号: US16364525申请日: 2019-03-26
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公开(公告)号: US11143183B2公开(公告)日: 2021-10-12
- 发明人: Timothy J. Franckowiak , Zachary Allen Ray Le Duc
- 申请人: Hamilton Sundstrand Corporation
- 申请人地址: US NC Charlotte
- 专利权人: Hamilton Sundstrand Corporation
- 当前专利权人: Hamilton Sundstrand Corporation
- 当前专利权人地址: US NC Charlotte
- 代理机构: Carlson, Gaskey & Olds, P.C.
- 主分类号: F04C15/00
- IPC分类号: F04C15/00 ; F04C2/18 ; F16C32/06 ; F04B1/053 ; F04C14/00 ; F16C33/10 ; F04C15/06 ; F02C7/22 ; F04C2/12 ; F01C21/02
摘要:
A gear pump could be said to include a first gear and a second gear intermeshed with the first gear. An inlet side is configured to have an inlet connection connected thereto. A discharge side is configured to have a first discharge connection connected thereto. At least one shaft is in operable communication with each of the first and second gears. A bearing is configured to support at least one of the shafts via an inner bore and having an outer peripheral surface. A valve bore is formed into bearing between the inner bore and the outer peripheral surface. A second discharge connection is formed into the bearing. A tap provides fluidic communication between the valve bore and a pad defined in the inner bore. A valve is positioned in the valve bore. The valve includes a moving valve member. A spring biases the moving valve member in a direction toward the second discharge connection. A fuel pump system is also disclosed.
公开/授权文献
- US20200309123A1 GEAR PUMP BEARING WITH HYBRID PAD SHUTOFF 公开/授权日:2020-10-01
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